8 articles in this issue
JKEM Editor's
Syaka, et al., in their paper, analyzed the comparisons and differences in variations in setting injection duration and ignition timing for engine power output using Pertamax fuel using experimental methods. Riyadi, et al., in their paper, analyzed the ef... see more
Riyadi, Nugroho Gama Yoga, Muhammad Lutfhi Aziz
In current developments, CDI ignition systems are widely used in motorcycle vehicles. This study aims to determine the effect of using variations of CDI Limiter and CDI unlimiter with spark plugs on torque, power, and fuel consumption using pertamax fuel.... see more
Sopiyan, Darwin Rio Budi Syaka, Muhammad Rafif Iqbal
This study aims to determine the distance and braking time on 125cc motorcycle vehicles by using two types of callipers, namely single-piston and double-piston callipers. The research method uses experimental methods. There this method will compare ... see more
Riyadi, Darwin Rio Budi Syaka, Arya Firmansyah
Based on the experience of automatic motorcycle users Honda Vario 150, the motorcycle has several weaknesses, but one of the weaknesses that often occurs is the slow acceleration of the motorcycle from low to medium speed. CVT transmission system ( Contin... see more
Yuyun Yuniar Rohmatin, Rossi S. Wahyuni, Mei Raharja
Mpok Imeh Chips is an Independent small business that produces Balado cassava chips in Jakarta, where cassava chips are packaged using plain plastic so that it has an unattractive impression. This research focuses on developing packaging designs that are ... see more
Raihan Muhammad Raihan, Sulis Yulianto
Condensers as the main equipment and heat exchangers in a combined cycle power plant have a major effect to determine combined cycle efficiency. The condenser is used to transform saturated steam into water which will be reused in a combined cycle power p... see more
Ricky Setiawan, Didik Sugiyanto, Asyari Dariyus
The development of the automotive industry, especially my vehicle transportation, has changed from a fuel motor to an electric motor vehicle. The purpose of writing is to get results from the simulation of frame design and power on an electric motorcycle.... see more
Ujang Juwardi, Septian Rahmat Adnan, Taufiqur Rachman, M. Derajat Amperajaya, Nofi Erni, Roesfiansjah Rasjidin, Musfirah Cahya Fajrah
XYZ is a company that provides building maintenance services; one of its services is glass cleaning services. In every work on building maintenance services projects in the form of cleaning the glass of PT. XYZ has not calculated the standard time of work... see more